參數(shù)資料
型號(hào): IR3081MTR
廠商: International Rectifier
英文描述: XPHASE VR 10.0 CONTROL IC
中文描述: XPHASE村10.0控制IC
文件頁數(shù): 4/20頁
文件大?。?/td> 396K
代理商: IR3081MTR
IR3081
Page 4 of 20
9/1/03
Note 1:
Guaranteed by design, but not tested in production
Note 2:
VDAC Output is trimmed to compensate for Error Amp input offsets errors
PARAMETER
TEST CONDITION
MIN
255
70
TYP
300
71
MAX
345
74
UNIT
kHz
%
Oscillator
Switching Frequency
Peak Voltage (5V typical,
measured as % of VBIAS)
Valley Voltage (1V typical,
measured as % of VBIAS)
VBIAS Regulator
Output Voltage
Current Limit
Soft Start and Delay
SS/DEL to FB Input Offset
Voltage
Charge Current
Discharge Current
Charge/Discharge Current
Ratio
Charge Voltage
Delay Comparator Threshold
Discharge Comparator
Threshold
Over-Current Comparator
Input Offset Voltage
OCSET Bias Current
PWRGD Output
Output Voltage
Leakage Current
Enable Input
Threshold voltage
Bias Current
VCC Under-Voltage Lockout
Start Threshold
Stop Threshold
Hysteresis
General
VCC Supply Current
VOSNS- Current
R
ROSC
= 41.9k
R
ROSC
= 41.9k
R
ROSC
= 41.9k
11
14
16
%
0
I(VBIAS)
5mA
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
6.5
6
0.85
6.8
15
1.3
7.1
30
1.5
V
mA
V
40
4
10
70
6
11.5
100
9
13
μ
A
μ
A
μ
A/
μ
A
Relative to Charge Voltage
3.7
70
150
4.0
90
200
4.2
110
250
V
mV
mV
1V
V(OCSET)
5V
R
ROSC
= 41.9k
I(PWRGD) = 4mA
V(PWRGD) = 5.5V
0V
V(ENABLE)
VCC
Start – Stop
-0.3V
VOSNS-
0.3V, All VID Codes
-10
28
500
-5
0
10
31
400
10
700
5
mV
μ
A
mV
μ
A
mV
μ
A
29.5
150
0
600
0
8.6
8.4
150
8
3.5
9.1
8.9
200
11
4.5
9.6
9.4
300
14
5.5
V
V
mV
mA
mA
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